Unity C++ Debug

DebugCPP.cs

using AOT;
using System;
using System.Runtime.InteropServices;
using UnityEngine;

public class DebugCPP : MonoBehaviour
{

    // Use this for initialization
    void OnEnable()
    {
        RegisterDebugCallback(OnDebugCallback);
    }

    //------------------------------------------------------------------------------------------------
    [DllImport("fftwater", CallingConvention = CallingConvention.Cdecl)]
    static extern void RegisterDebugCallback(debugCallback cb);
    //Create string param callback delegate
    delegate void debugCallback(IntPtr request, int color, int size);
    enum Color { red, green, blue, black, white, yellow, orange };
    [MonoPInvokeCallback(typeof(debugCallback))]
    static void OnDebugCallback(IntPtr request, int color, int size)
    {
        //Ptr to string
        string debug_string = Marshal.PtrToStringAnsi(request, size);

        //Add Specified Color
        debug_string =
            String.Format("{0}{1}{2}{3}{4}",
            "<color=",
            ((Color)color).ToString(),
            ">",
            debug_string,
            "</color>"
            );

        UnityEngine.Debug.Log(debug_string);
    }
}

DebugCPP.h

#ifndef DEBUG_CPP_H
#define DEBUG_CPP_H
#include <stdio.h>
#include <string>
#include <stdio.h>
#include <sstream>
#include "PlatformBase.h"

extern "C"
{
	//Create a callback delegate
	typedef void(*FuncCallBack)(const char* message, int color, int size);
	static FuncCallBack callbackInstance = nullptr;
	DLLEXPORT void RegisterDebugCallback(FuncCallBack cb);
}

//Color Enum
enum class Color { Red, Green, Blue, Black, White, Yellow, Orange };

class  Debug
{
public:
	static void Log(const char* message, Color color = Color::Black);
	static void Log(const std::string message, Color color = Color::Black);
	static void Log(const int message, Color color = Color::Black);
	static void Log(const char message, Color color = Color::Black);
	static void Log(const float message, Color color = Color::Black);
	static void Log(const double message, Color color = Color::Black);
	static void Log(const bool message, Color color = Color::Black);

private:
	static void send_log(const std::stringstream &ss, const Color &color);
};
#endif

log.h

#ifndef LOG_H
#define LOG_H

#ifdef __ANDROID__
#include <android/log.h>
#define LOG(fmt, ...) __android_log_print(ANDROID_LOG_INFO, "fftwater", fmt,  __VA_ARGS__);
#else
#include <stdio.h>
#include <Windows.h>

static char debug_log_[1024];
#define LOG(fmt, ...) sprintf(debug_log_, fmt"\n",  __VA_ARGS__); OutputDebugStringA(debug_log_); /*fflush(stdout);*/
#endif

#endif